Round sheet metal box



FIG. 1 is a top view of the design of a round sheet metal box

FIG. 2 is a bottom view of the design thereof;

FIG. 3 is a front view of the design thereof;

FIG. 4 is a partial cross section view thereof, taken along line 4—4 of FIG. 1;

FIG. 5 is a right side view of the design thereof;

FIG. 6 is a perspective view thereof; and,

FIG. 7 is an exploded perspective view of the design. 

The ornamental design for a round sheet metal box, as shown and described. 